Dr. Michael D. Simpson, MD
- Medicare services, 2024
- 562
- Medicare patients, 2024
- 285
- Part D claims, 2024
- 768
- Hospital affiliations
- 3
- Industry payments
- $85
- Practice address
- 4480 N Cooper Lake Rd Se, Smyrna, GA 30082
- Practice phone
- Call (770) 333-1300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellstar Urgent Care at Cooper Lake
Urgent Care Center · Smyrna, Georgia
Find Dr. Simpson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael D. Simpson is an internist in Smyrna, Georgia
Dr. Simpson practices at Wellstar Urgent Care at Cooper Lake in Smyrna, Georgia.
Dr. Simpson's NPI, 1205823184, was assigned on October 5, 2005. Dr. Simpson graduated from Howard University College of Medicine in 1998. Dr. Simpson holds Georgia license 055647.
- NPI
- 1205823184NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850349531
- NPI enumeration date
- October 5, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (770) 333-1300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael D. Simpson practices at Wellstar Urgent Care at Cooper Lake in Smyrna, Georgia
Dr. Simpson's primary practice is Wellstar Urgent Care at Cooper Lake, at 4480 N Cooper Lake Rd Se, Smyrna, GA 30082. The practice phone is (770) 333-1300.
- Wellstar Urgent Care at Cooper Lake4480 N Cooper Lake Rd Se, Smyrna, GA 30082Phone(770) 333-1300
Source: Dmand AI Affiliation Data
Dr. Michael D. Simpson is affiliated with 6 sites of care and 2 medical groups
Dr. Simpson's primary practice is Wellstar Urgent Care at Cooper Lake in Smyrna, Georgia. Dr. Simpson is also affiliated with Wellstar Kennestone Regional Medical Center. The medical group on file is Wellstar Medical Group. Dmand AI also links Dr. Simpson to 2 more hospitals, 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael D. Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellstar Urgent Care at Cooper Lake | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael D. Simpson is one of 3,575 internists in Georgia
Internal medicine is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Simpson is licensed in Georgia.
Specialties and state licenses
- Internal medicine, GeorgiaPrimary
Internists near Dr. Simpson
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael D. Simpson billed Medicare for 562 services in 2024
CMS data shows 562 Medicare services from Dr. Simpson across 10 procedure codes in 2024, for 285 Medicare patients. Medicare paid $29,749 for them. Every service was in an office.
Dr. Simpson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3232024: 3261%
- Lab and pathology
- 2023: 2292024: 16926%
- Tests and treatments
- 2023: 492024: 3627%
- Imaging
- 2023: 352024: 3111%
- Drugs given in the office
- 2023: 1402024: 0100%
Dr. Simpson compared with the Georgia median for internists, 2024
- Dr. Simpson
- Georgia median
- Medicare services
- 562vs 536Close to median
- Medicare patients
- 285vs 19447% above
- Part D claims
- 607vs 33979% above
Medians across 3,344 internists in Georgia with Dmand AI profiles that report each measure.
Dr. Simpson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael D. Simpson treated 285 Medicare patients in 2024, average age 75
CMS counts 285 Medicare patients who saw Dr. Simpson in 2024. The largest group is 65 to 74, with 129 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Simpson's median patient age at 47, with 57% women.
Dr. Simpson's Medicare patients by age, 2024
Dr. Simpson's Medicare patients by sex, 2024
- Women17260%
- Men11340%
Chronic conditions among Dr. Simpson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Ischemic heart disease34%
- Diabetes30%
- Chronic kidney disease23%
- Heart failure21%
- COPD19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael D. Simpson wrote 768 Medicare Part D claims in 2024
In 2024, Dr. Simpson wrote 768 Medicare Part D claims for 464 patients. 86% of them were for generic drugs. CMS names the drug for 607 of them, across 20 drugs with 11 or more claims each, at $12,596 in total drug cost. In 2023, CMS named 617 claims across 19 drugs.
Dr. Simpson's Part D claims by kind of drug, 2024
- Generic657 claims86%
- Brand-name91 claims12%
- Other20 claims3%
Dr. Simpson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Simpson's Part D claims, 2024
- Opioids6%43 of 768 claims
- Antibiotics36%279 of 768 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6172024: 6072%
Drugs named by CMS: 20 in 2024, 19 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Michael D. Simpson takes part in Medicare
Dr. Simpson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael D. Simpson received $85 in industry payments from 2016 to 2023
CMS Open Payments shows 5 general payments to Dr. Simpson from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $33.
General payments to Dr. Simpson by program year, 2016 to 2023
Companies that paid Dr. Simpson the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael D. Simpson graduated from Howard University College of Medicine
Dr. Simpson graduated from Howard University College of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael D. Simpson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael D. Simpson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael D. Simpson's NPI number?
Dr. Michael D. Simpson's NPI number is 1205823184. It was assigned on October 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael D. Simpson?
Dr. Michael D. Simpson is an internist in Smyrna, Georgia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael D. Simpson practice?
Dr. Simpson practices at 4480 N Cooper Lake Rd Se, Smyrna, GA 30082. Dr. Simpson's primary practice is Wellstar Urgent Care at Cooper Lake in Smyrna, Georgia. Dmand AI also links Dr. Simpson to 2 hospitals, 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Michael D. Simpson's office phone number?
The practice phone on file for Dr. Simpson is (770) 333-1300.
What is Dr. Michael D. Simpson's medical license number?
Dr. Simpson holds Georgia license 055647.
Which hospitals is Dr. Michael D. Simpson affiliated with?
Dr. Simpson is affiliated with Wellstar Kennestone Regional Medical Center. Dmand AI links Dr. Simpson to 2 more hospitals.
What medical group is Dr. Michael D. Simpson part of?
Dr. Simpson is linked to Wellstar Medical Group. Dmand AI links Dr. Simpson to 1 more medical group.
Does Dr. Michael D. Simpson accept Medicare?
Yes. CMS data shows Dr. Simpson billed Medicare for 562 services in 2024, and Dr. Simpson accepts Medicare assignment.
How many Medicare patients does Dr. Michael D. Simpson see?
CMS counts 285 Medicare patients who saw Dr. Simpson in 2024, with an average age of 75.
What services does Dr. Michael D. Simpson bill to Medicare?
In 2024, Dr. Simpson's most billed Medicare services were office visit, established patient (99213), lab and pathology test (87428) and office visit, established patient (99214).
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Where did Dr. Michael D. Simpson go to medical school?
Dr. Simpson graduated from Howard University College of Medicine in 1998.
What drugs does Dr. Michael D. Simpson prescribe most?
In 2024 Medicare Part D data, Dr. Simpson's most prescribed drugs by claims were Prednisone, Doxycycline Hyclate and Amoxicillin-Clavulanate Potass.
Has Dr. Michael D. Simpson received payments from drug or device companies?
CMS Open Payments shows $85 in general payments to Dr. Simpson from 4 companies from 2016 to 2023. The largest total came from Genentech, Inc.
How long has Dr. Michael D. Simpson been practicing?
Dr. Simpson graduated from medical school in 1998, 28 years ago.
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